JPH0684116U - Gas burner flame transfer mouth - Google Patents

Abstract

(57) [Summary] [Purpose] To form a series of flame transfer flames corresponding to the amount of gas supplied, and also to deal with the clogging of the flame due to spilled juice. In a U-shaped burner having burner main bodies A, A facing each other and a flame transfer flame mouth B from one of the burner main bodies A, A to the other, a plurality of flame mouths 8 are provided in the spot portion 4.
A series of eaves 1 bulges upward and is provided in an expanded shape at the upper end of the flame transfer flame mouths B that are communicated with each other in parallel, so that the gas is decelerated to a uniform pressure and stagnates, thereby increasing the amount of gas supplied. A corresponding series of flame transfer flames a is formed, and a series of tongues 2 is provided at the lower end thereof by obliquely bending downward, and the base end bent portion of the tongues 2 is referred to as the flame mouth 3. By doing so, the influence of the disturbance on the flame a and the clogging of the flame are eliminated.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a flame transfer nozzle of a gas burner such as a press burner for a grill.

[0002]

[Prior art]

 A flame transfer flame port in a conventional gas burner of this type has, for example, as shown in FIGS. 8 and 9, a plurality of flame port units 8 ′ arranged in parallel with each other through a spot unit 4 ′. In the transfer flame mouth portion, in particular, the fixed portion 14 'and the flame mouth end surface 3a' in the spot portion 4'are close to each other, and the flame mouth end surface 3a 'has a flame mouth width t'which is the same as the orifice width t and is narrow. It is formed in the opening, and the length l ″ of the flame opening 3 is also short.

Therefore, for example, when the burner capacity is reduced to the minimum, or when the gas supply pressure is reduced, the gas amount in the spot portion 4'is blocked by the fixed portion 14 'and becomes insufficient. There was a problem that the flame was interrupted at the spot portion 4 ', and the fire transfer from one burner body to the other burner body was not performed normally.

Therefore, for example, as shown in FIG. 10, the lower part of the flame opening 3 ′ is extended forward and a trough-shaped gas stagnation portion 1 ′ is provided on the front surface of the flame opening. It has already been practiced that the mixed gas from the spot portion 4'is retained at ′ so that it merges with the mixed gas at the flame mouth portion 8 ′ to form a series of flame transfer flames a ′. .

[0005]

[Problems to be solved by the device]

 However, in the above-mentioned conventional technique, since the trough-shaped gas stagnation portion 1 is provided on the front surface of the flame mouth, a series of flame transfer flames a ′ that are not interrupted by the stagnation of the gas flow is formed. For example, in the case of an upper exhaust type grill, there is a problem that spilled juice, dust, etc. that enter from the upper exhaust port are received and accumulated in the gas stagnation part 1 and cause an early clogging of the flame. It was

In view of the above problems of the prior art, the present invention not only forms a series of flame transfer flames corresponding to the amount of supply gas without interruption, but also prevents disturbance due to drafts and boiles. The aim is to provide a gas transfer burner flame burner that can deal with clogging of the flame due to infiltration of spilled juice and dust.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, the flame transfer flame port of the gas burner of the present invention comprises, for example, as shown in FIGS. In a U-shaped burner having a burner body A and a flame transfer flame port B from one side to the other, a series of a series of decelerating gas is stagnated at the tip upper part of the flame transfer flame port region B to stagnate. The main feature is that the eaves 1 is expanded and a series of tongue pieces 2 is installed at the lower end of the eaves 1 to prevent downward disturbance due to drafts.

Further, it is also characterized in that the base end bent portion of the tongue piece 2 is the flame mouth 3.

[0009]

[Action]

 Since the flame transfer flame port of the gas burner of the present invention is configured as described above, particularly when the mixed gas from the orifice 4a to the expanding flame port 4b by the eaves 1 is equalized in the spot part 4. A series of fires that are slowed down and stagnant, spread laterally, merge with the mixed gas from the flame openings 8 and evenly and gently eject from each tip flame opening 3 to burn. A transfer flame a is formed.

Further, since a series of tongue pieces 2 bent downward are provided at the lower end of the eaves 1 and the base end bent portion of the tongue piece 2 is the flame mouth 3, the eaves 1 and the tongue piece 2 are The flame transfer flame a formed at the flame port 3 at the position retracted from the tip end surface of the tongue piece 2 and the tongue piece 2 prevent the disturbance, and do not lift but stably burn.

Further, since the flame mouth 3 is located at a position retracted from the end surface of the eaves 1, clogging of the flame mouth due to spilled juice, dust or the like does not occur.

[0012]

【Example】

 An embodiment of the flame transfer flame port of the gas burner of the present invention will be described below with reference to the drawings.

The illustrated embodiment is one in which the present invention is applied to a flame transfer flame port of a press burner for a grill, where A and A are burner bodies facing each other, and a large number of them are provided inside the mixing chambers 5 and 5. The main flame outlets 6, 6 are arranged side by side with a certain interval.

Reference numeral B denotes a burner flame port for transferring a flame from one of the burner bodies A, A to the other, which is continuously provided at the base end portions of the burner bodies A, A and is provided inside the mixing pipe 7 in a plural number. The flame openings 8 are connected in parallel with each other by a spot portion 4 having a considerably wide width.

The flame opening 8 is formed in a straight shape having a large opening area, and the spot portion 4 is composed of an orifice 4 a and a spread flame opening 4 b, and is formed in a flat shape having a small opening area. .

A U-shaped burner is formed by the burner bodies A and A and the flame transfer flame opening B which face each other as described above, and the U-shaped burner is a metal plate such as a stainless steel plate or the like. 9 and the burner lower plate 10 are separately formed by press molding, these are superposed and positioned by spot welding or the like, and the peripheral edges are airtightly integrally joined by caulking or the like. It has a mixing tube 11 communicating with the transfer flame port B through the mixing chambers 5, 5 and 7.

The spot portion 4 of the flame transfer flame portion B is formed to be considerably wide between the adjacent flame flame portions 8, and its orifice 4 a has an upward recess 4 a ′ provided on the burner upper plate 9 and a lower burner. The downward recessed portions 4a ″ provided on the plate 10 are closely contacted with each other, the fixing portion 14 welded by spot welding determines the orifice width t thereof, and the orifices 4a having the length 1 of the upward recessed portion 4a ′ are formed. There is.

Reference numeral 1 denotes a series of eaves which are provided on the upper end of the tip of the flame transfer flame portion B so as to expand upward, and the front end of the burner upper plate 9 bulges upward by a certain length l ′ to form an integral body. The tip end of the burner lower plate 10 forms an open flame opening portion 4b having a constant length l ″ and a flame opening width t ′ having the same width as the flame opening 12 of the flame opening portion 8.

Reference numeral 2 is a series of tongue pieces bent downward at the lower tip of the flame transfer flame portion B. The tip of the burner lower plate 10 is bent downward by a certain length l ″ ′ to be integrated. It is provided.

The tongue 2 is formed by obliquely bending downward as in the embodiment shown in FIGS. 3 to 6, and the minimum angle θ in the case of obliquely forming is For example, it is desirable that the angle is about 45 ° to 60 °, and that the end face 2a is at substantially the same level as the end face 1a of the eaves 1.

Reference numeral 3 denotes a flame port of the spot portion 4, which is formed at the base end bent portion of the tongue piece 2 and has an opening 13 with a constant width t ″ formed by the end surface 1 a of the eaves 1 and the end surface 2 a of the tongue piece 2. A flame is not formed on the tongue 2 and is formed at a position retracted by the length l ″ ′ of the tongue 2 from the opening 13.

In the above-mentioned configuration, the mixed gas from the mixing pipe 11 is supplied to the burner main bodies A and A and the flame transfer flame port B through the respective mixing chambers 7, 5 and 5, and the burner main bodies A and A When one is ignited by a spark or the like, it is transferred to the other of the burner main bodies A, A through the flame transfer flame port B and burned.

Therefore, in the spot portion 4 of the flame transfer flame port B, when the mixed gas reaches from the orifice 4a to the expanding flame port 4b by the eaves 1, it is decelerated to a uniform pressure and stagnates, and also spreads in the lateral direction. Corresponding to the uninterrupted amount of gas that is continuous with the mixed gas from the flame opening 8 and is ejected from each tip flame opening 3 evenly, but slowly, and burns to connect with the flame from the flame opening 8. A series of flame transfer flames a are formed.

Further, since a series of tongue pieces 2 bent downward are provided at the lower end of the eaves 1 and the base end bent portion of the tongue piece 2 is the flame mouth 3, it is formed at the flame mouth 3. Since the lower part of the transferred flame a is covered by the tongue piece 2, it is not affected by the disturbance b due to the draft of the flame a, and the transferred flame a does not lift and always burns stably.

Therefore, even if the spot portion 4 is considerably wide, the flame a ′ of the flame mouth portion 8 is slightly larger than the flame a ″ of the spot portion 4 and a series of flame transfer flames a corresponding to an uninterrupted gas amount. Are formed (see FIG. 5).

Further, since the flame port 3 in the spot portion 4 is formed at a position retracted by a certain length l ″ ′ from the end surface 1 a of the eaves 1, the flame port 3 is covered by the eaves 1. Even when it is used in an upper exhaust type grill, there is no risk of clogging of the flame due to infiltration of spilled juice or dust.

[0027]

[Effect of device]

 The flame transfer flame port of the gas burner according to the present invention has a spread flame port formed by the eaves at the tip of the flame transfer flame port. Since the structure is such that the tip flame nozzles evenly and gently eject and burn, the flame transfer flame corresponding to the amount of the supplied gas is continuously formed without interruption. Therefore, a stable flame transfer flame is formed even when the burner capacity is minimized or the gas supply pressure is reduced.

Further, since a series of downwardly bent tongue pieces are provided at the lower tip of the flame transfer flame mouth, and the base end bent portion of the tongue piece is used as the flame mouth, the eaves and the tip of the tongue piece are The flame transfer flame formed at the flame mouth at a position retracted by a certain dimension from the surface always burns stably because the tongue prevents disturbance.

Further, since the flame mouth is located at a position retracted from the end surface of the eaves, the flame mouth is covered by the eaves even when used in an upper exhaust type grill or the like, so that spilled juice, dust, etc. There is no problem such as clogging of the flame due to intrusion.

Therefore, especially when the burner capacity is reduced to the minimum or when the gas supply pressure is reduced, the fire transfer performance is improved, and there is no flame clogging, which is safe for use.

[Brief description of drawings]

FIG. 1 is an overall plan view showing an embodiment of a flame transfer flame port of a gas burner according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a partially cutaway front view showing an enlarged part of a main part.

FIG. 4 is a sectional view taken along line XX of FIG.

FIG. 5 is a cutaway plan view of the same portion.

FIG. 6 is an enlarged cross-sectional view of a main part.

FIG. 7 is a sectional view of the different embodiment.

FIG. 8 is a front view of only a main part of a conventional example.

FIG. 9 is a sectional view thereof.

FIG. 10 is a sectional view of an improved conventional example.

[Explanation of symbols]

 A Burner body B Fire transfer flame mouth part 1 Eaves 2 Tongue piece 3 Flame mouth

Claims (2)

[Scope of utility model registration request] 1. Burner bodies (A), (A) facing each other
In the U-shaped burner having the burner main body (A) and the flame transfer flame mouth portion (B) from one side to the other side, gas is supplied to the upper end of the tip of the flame transfer flame mouth portion (B). A series of eaves (1) that decelerates to a uniform pressure and stagnates is provided in an expanded manner.
A flame transfer flame port of a gas burner, characterized in that a series of tongues (2) for preventing disturbance due to a draft are bent and provided downward at the lower end thereof. 2. The flame transfer flame port of a gas burner according to claim 1, wherein the base end bent portion of the tongue piece (2) is the flame port (3).